A subsonic aircraft has unswept wing which has maximum lift coefficient of 1.4. Now, consider wing is provided sweep of 25° at quarter chord point. Now, determine the change in maximum lift coefficient due to the provision of sweep.

Maximum Lift coefficient will be reduced by 0.2580 amount

Maximum lift coefficient will increase by 56%

Following diagram represents _______

lift curve slope vs mach number

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1.	A subsonic aircraft has unswept wing which has maximum lift coefficient of 1.4. Now, consider wing is provided sweep of 25° at quarter chord point. Now, determine the change in maximum lift coefficient due to the provision of sweep.
A.	Maximum Lift coefficient will be reduced by 0.2580 amount
B.	Increment by 1.245
C.	Decreases by 0.0476 amount
D.	Maximum lift coefficient will increase by 56%
Answer» B. Increment by 1.245

Discussion

2.	Following diagram represents _______
A.	lift curve slope vs mach number
B.	drag polar
C.	thrust required minimum
D.	wing loading chart
Answer» B. drag polar

Discussion